CVE-2016-7154

Severity CVSS v4.0:

Pending analysis

Type:

CWE-416 Use After Free

Publication date:

21/09/2016

Last modified:

12/04/2025

Description

Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service (host crash) and possibly execute arbitrary code or obtain sensitive information via an invalid guest frame number.

Impact

Vector 3.x

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.70 MEDIUM
Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

6.70

Severity 3.x

MEDIUM

Vector 2.0

AV:L/AC:L/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.20 HIGH
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0

7.20

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:xen:xen:4.4.0:::::::*
cpe:2.3:o:xen:xen:4.4.1:::::::*
cpe:2.3:o:xen:xen:4.4.2:::::::*
cpe:2.3:o:xen:xen:4.4.3:::::::*
cpe:2.3:o:xen:xen:4.4.4:::::::*

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:o:xen:xen:4.4.0:::::::*
cpe:2.3:o:xen:xen:4.4.1:::::::*
cpe:2.3:o:xen:xen:4.4.2:::::::*
cpe:2.3:o:xen:xen:4.4.3:::::::*
cpe:2.3:o:xen:xen:4.4.4:::::::*

CVE-2016-7154

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools